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Fair Value Measurements (Details Textuals) (USD $)
9 Months Ended 12 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Fair Value Measurements (Textuals) [Abstract]    
Other real estate owned measured at fair value $ 19,000,000 $ 29,000,000
Write down of Other Real Estate Owned 2,000,000 4,000,000
Commitment on standby letters of credit $ 352,445,000 $ 370,773,000
Fair Value, Option, Quantitative Disclosures [Line Items]    
Mortgage derivative interest rate lock commitments closing ratio 88.00%  
Mortgage servicing rights (MSR) weighted average constant prepayment rate 13.40%  
Weighted average discount rate 10.10%  
MaximumMember
   
Fair Value, Option, Quantitative Disclosures [Line Items]    
Weighted average discount rate 30.00%  
MinimumMember
   
Fair Value, Option, Quantitative Disclosures [Line Items]    
Weighted average discount rate 20.00%